Finding the Fourth Proportional to 10,992,886.70, 16,489,330.05 and 8,158,534.70
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Solution
The fourth proportional to 10,992,886.70, 16,489,330.05 and 8,158,534.70 is: 12,237,802.05
Step by Step Solution
- Step 1: Write the proportion equation
10,992,886.70 : 16,489,330.05 = 8,158,534.70 : x - Step 2: Convert to fraction form
10,992,886.70/16,489,330.05 = 8,158,534.70/x - Step 3: Cross multiply
10,992,886.70x = 16,489,330.05 × 8,158,534.70 - Step 4: Simplify right side
10,992,886.70x = 134,528,771,392,677.75 - Step 5: Solve for x
x = 134,528,771,392,677.75/10,992,886.70 - Step 6: Final answer
x = 12,237,802.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.